AKS-74U BRSS - the final version.
A stamped receiver made of a sheet steel, plywood wooden parts, a bakelite grip. In addition, the new version of the BRSS - Bolt Recoil Simultion System - according to the manufacturer, the most powerful system that simulates recoil.
Muzzle velocity: 330-400 fps
Maximal suggested muzzle velocity: 430 fps
B4 Elite PDW BRSS with the 416C butt stock.